Thread protecting and guiding cap



FIG. 1 is a front top perspective view of a thread protecting and guiding cap showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view; and

FIG. 6 is a bottom plan view. 

The ornamental design for a thread protecting and guiding cap, as shown and described. 